Optical Network Engineer

Hamilton Barnes ?; Singapore; On-site; SGD 70,000 - 120,000; Full time

Job summary

Hamilton Barnes is seeking an Optical Network Engineer in Singapore to support large-scale DWDM, fibre, and optical transport infrastructure across global backbone and data centre environments.

You will troubleshoot complex optical, dark fibre, and subsea connectivity issues, while helping maintain high availability of hyperscale networks using platforms from Ciena, Infinera, and Huawei.

Qualifications

• Experience in Optical Network Operations, NOC, telecom, ISP, carrier, or large-scale network environments.
• Hands-on DWDM and optical transport experience.
• Experience with Ciena, Infinera, and Huawei platforms.
• Strong knowledge of fibre infrastructure, wavelengths, optical power levels, attenuation, and signal performance.
• Excellent incident management, communication, and documentation skills.

Responsibilities

• Monitor and support large-scale DWDM and optical transport infrastructure.
• Troubleshoot faults across DWDM systems, optical hardware, fibre infrastructure, and transport networks.
• Diagnose and resolve issues across Ciena, Infinera, Huawei, and similar optical platforms.
• Perform structured fault isolation across optical paths, circuits, wavelengths, and physical fibre infrastructure.
• Troubleshoot dark fibre connectivity, including fibre degradation, loss, breaks, and physical connectivity issues.
• Support the investigation and resolution of subsea network and connectivity issues.
• Perform optical troubleshooting using relevant measurements, alarms, performance data, and diagnostic tools.
• Support circuit provisioning, turn-up, testing, validation, and restoration activities.
• Troubleshoot optical components including transponders, amplifiers, ROADMs, mux/demux equipment, and line systems.
• Manage incidents in line with SLAs, ensuring timely resolution, escalation, and communication.
• Coordinate with engineering teams, fibre providers, carriers, and equipment vendors to resolve complex incidents.
• Maintain accurate documentation across incidents, changes, configurations, and network activities.

Skills

Optical networking

DWDM troubleshooting

Incident management

Documentation

Cross-functional collaboration

Network monitoring

Fibre infrastructure

Vendor coordination

Tools

Ciena

Infinera

Huawei

Job description

Do you want to work within one of the world's largest hyperscale network environments, supporting the optical infrastructure behind a global network?

We are seeking an Optical Network Engineer in Singapore to join a specialist operations team responsible for supporting large-scale DWDM, fibre, and optical transport infrastructure across global backbone and data centre environments.

You'll work hands-on with technologies including Ciena, Infinera, and Huawei, troubleshooting complex optical, dark fibre, and subsea connectivity issues while helping maintain the availability and performance of mission-critical hyperscale infrastructure.

Responsibilities

• Monitor and support large-scale DWDM and optical transport infrastructure
• Troubleshoot faults across DWDM systems, optical hardware, fibre infrastructure, and transport networks
• Diagnose and resolve issues across Ciena, Infinera, Huawei, and similar optical platforms
• Perform structured fault isolation across optical paths, circuits, wavelengths, and physical fibre infrastructure
• Troubleshoot dark fibre connectivity, including fibre degradation, loss, breaks, and physical connectivity issues
• Support the investigation and resolution of subsea network and connectivity issues
• Perform optical troubleshooting using relevant measurements, alarms, performance data, and diagnostic tools
• Support circuit provisioning, turn-up, testing, validation, and restoration activities
• Troubleshoot optical components including transponders, amplifiers, ROADMs, mux/demux equipment, and line systems
• Manage incidents in line with SLAs, ensuring timely resolution, escalation, and communication
• Coordinate with engineering teams, fibre providers, carriers, and equipment vendors to resolve complex incidents
• Maintain accurate documentation across incidents, changes, configurations, and network activities

Qualifications

• Experience within an Optical Network Operations, NOC, telecom, ISP, carrier, or large-scale network environment
• Strong hands-on experience with DWDM technologies and optical transport networks
• Experience supporting and troubleshooting DWDM hardware and optical infrastructure
• Hands-on experience with Ciena, Infinera, and/or Huawei
• Strong understanding of fibre infrastructure, wavelengths, optical power levels, attenuation, and signal performance
• Experience troubleshooting dark fibre and physical connectivity issues
• Strong incident management, communication, and documentation skills